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BMI Formula:
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Body Mass Index (BMI) is a simple index of weight-for-height that is commonly used to classify underweight, normal weight, overweight and obesity in adults. In the Philippines, the MDC (Medical and Dental Council) recommends using BMI as a screening tool for weight categories.
The calculator uses the standard BMI formula:
Where:
Explanation: BMI provides a simple numeric measure of a person's thickness or thinness, allowing health professionals to discuss weight problems more objectively with their patients.
Details: BMI is an inexpensive and easy screening method for weight category—underweight, normal weight, overweight, and obesity. In the Philippines, it's particularly important for monitoring nutritional status and risk of non-communicable diseases.
Tips: Enter weight in kilograms and height in meters. For height, you can convert from cm to m by dividing by 100 (e.g., 170 cm = 1.70 m). All values must be valid (weight > 0, height > 0).
Q1: What are the BMI categories for Filipinos?
A: For Filipinos: Underweight (<18.5), Normal (18.5-22.9), Overweight (23-27.4), Obese (≥27.5). These may differ slightly from international standards.
Q2: Is BMI accurate for everyone?
A: BMI may not accurately reflect body fat in athletes (muscle weighs more than fat), pregnant women, or the elderly who may have lost muscle mass.
Q3: Why use metric units?
A: The MDC and Philippine health system use metric measurements. Using kg and m ensures consistency with local medical standards.
Q4: How often should I check my BMI?
A: For most adults, checking every 3-6 months is sufficient unless you're actively trying to lose or gain weight.
Q5: What's next if my BMI is outside the normal range?
A: Consult a healthcare provider for a more comprehensive assessment, which may include waist circumference, body fat percentage, and other health markers.